CN1460342A - 使用子码信道防止cd音频盗版 - Google Patents
使用子码信道防止cd音频盗版 Download PDFInfo
- Publication number
- CN1460342A CN1460342A CN01811185A CN01811185A CN1460342A CN 1460342 A CN1460342 A CN 1460342A CN 01811185 A CN01811185 A CN 01811185A CN 01811185 A CN01811185 A CN 01811185A CN 1460342 A CN1460342 A CN 1460342A
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- CN
- China
- Prior art keywords
- data
- change
- medium
- modification
- standard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier
- G11B20/00202—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier wherein the copy protection scheme builds on multi-session recording, e.g. defective table of contents [TOC] in the 2nd session
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00659—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a control step which is implemented as an executable file stored on the record carrier
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0092—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors
- G11B20/00927—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors wherein said defects or errors are generated on purpose, e.g. intended scratches
- G11B20/00956—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors wherein said defects or errors are generated on purpose, e.g. intended scratches said intentional errors occurring due to an invalid TOC
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
- G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
- G11B2020/1267—Address data
- G11B2020/1271—Address data the address data being stored in a subcode, e.g. in the Q channel of a CD
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
- G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
- G11B2020/1461—8 to 14 modulation, e.g. the EFM code used on CDs or mini-discs
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2545—CDs
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Storage Device Security (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Description
原始时间 | 改变的时间 | ||||
分钟 | 秒 | 帧 | 分钟 | 秒 | 帧 |
0(开始磁道) | 0 | 0 | 0 | 0 | 0 |
0 | 0 | 1 | 0 | 0 | 2 |
0 | 0 | 2 | 0 | 0 | 4 |
0 | 0 | 3 | 0 | 0 | 6 |
0 | 0 | 4 | 0 | 0 | 7 |
0 | 0 | 5 | 0 | 0 | 8 |
... | ... | ... | ... | ... | ... |
0 | 0 | 71 | 0 | 0 | 74 |
0 | 0 | 72 | 0 | 1 | 0 |
... | ... | ... | ... | ... | ... |
5(末端磁道) | 30 | 42 | 5 | 36 | 20 |
5(停顿) | 30 | 43 | 5 | 30 | 43 |
5 | 30 | 44 | 5 | 30 | 44 |
... | ... | ... | ... | ... | ... |
时间段 | 标准 | 修改 |
1 | 导入(2-3分钟) | 增加指针B0和C0给第二个和第三个时间段,每个蓝皮书格式。 |
停顿长度2秒 | 使用不同的预间隙(pregap)长度,每个蓝皮书格式,最好是设置为在1和3秒之间的值。 | |
精确的A时间 | 以非零的值,例如,10秒起动A时间,去屏蔽用于计算机CD驱动器的磁盘的开始 | |
2 | 音频磁道 | 音频磁道长度4秒(每个红皮书最小时间) |
3 | 导入(1分钟)音频磁道 | 在时间00:02 TOC指向99个不存在的数据磁道修改导出指针(A2)为在00:01和00:07之间的值数据磁道长度4秒,加上填充为总的CD长度 |
Claims (42)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/549,820 | 2000-04-14 | ||
US09/549,820 US6988206B1 (en) | 1998-10-20 | 2000-04-14 | Prevention of CD-audio piracy using sub-code channels |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1460342A true CN1460342A (zh) | 2003-12-03 |
CN100336336C CN100336336C (zh) | 2007-09-05 |
Family
ID=24194491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018111858A Expired - Fee Related CN100336336C (zh) | 2000-04-14 | 2001-03-29 | 一种保护记录在原始存储介质上的数据的方法和设备 |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1297651A4 (zh) |
JP (1) | JP2004501477A (zh) |
KR (1) | KR100712429B1 (zh) |
CN (1) | CN100336336C (zh) |
AU (1) | AU781208B2 (zh) |
BR (1) | BR0110039A (zh) |
CA (1) | CA2422515C (zh) |
IL (1) | IL152251A0 (zh) |
MX (1) | MXPA02010186A (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0124723D0 (en) * | 2001-10-15 | 2001-12-05 | Macrovision Corp | Improvements in or relating to the copy protection of optical discs |
KR200452225Y1 (ko) * | 2008-06-05 | 2011-02-14 | (주)시공사 | 재활용 목재를 이용한 건축 내장용 조립패널 |
US20100214893A1 (en) * | 2009-02-25 | 2010-08-26 | Aylward Adrian R | Copy protection using complexity and uncomputability |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08153331A (ja) * | 1994-09-29 | 1996-06-11 | Applics:Kk | コピーcd−rom判別方法および装置 |
JP4435872B2 (ja) * | 1996-07-24 | 2010-03-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 光ディスクに関する改良及びディスク記録装置 |
IL128369A0 (en) * | 1996-08-05 | 2000-01-31 | Ttr Technologies Ltd | Digital optical media authentication and copy protection method |
AU7362198A (en) * | 1997-05-16 | 1998-12-08 | Imation Corp. | Arrangement for preventing use of unauthorized duplicates of a data storage medium using subcode and method therefor |
ATE199990T1 (de) * | 1997-08-28 | 2001-04-15 | Sony Dadc Austria Ag | System zur kopierverwaltung einer optischen platte |
US6104679A (en) | 1998-10-01 | 2000-08-15 | T.T.R. Technologies Ltd. | Method for determining an unauthorized copy of an optical disc |
CN1192379C (zh) * | 1998-10-05 | 2005-03-09 | 皇家菲利浦电子有限公司 | 用于记录信息拷贝保护的系统 |
JP3996350B2 (ja) * | 1999-05-11 | 2007-10-24 | マクロビジョン・コーポレーション | 安全なコンパクト・ディスク及びプレイヤ |
GB9912312D0 (en) * | 1999-05-26 | 1999-07-28 | Dilla Limited C | The copy protection of digital audio compact discs |
GB0003530D0 (en) * | 2000-02-15 | 2000-04-05 | Dilla Limited C | The copy protection of digital audio compact discs |
-
2001
- 2001-03-29 BR BR0110039-4A patent/BR0110039A/pt not_active IP Right Cessation
- 2001-03-29 IL IL15225101A patent/IL152251A0/xx unknown
- 2001-03-29 KR KR1020027013784A patent/KR100712429B1/ko not_active IP Right Cessation
- 2001-03-29 MX MXPA02010186A patent/MXPA02010186A/es active IP Right Grant
- 2001-03-29 JP JP2001576673A patent/JP2004501477A/ja active Pending
- 2001-03-29 AU AU46787/01A patent/AU781208B2/en not_active Ceased
- 2001-03-29 EP EP01919729A patent/EP1297651A4/en not_active Withdrawn
- 2001-03-29 CN CNB018111858A patent/CN100336336C/zh not_active Expired - Fee Related
- 2001-03-29 CA CA2422515A patent/CA2422515C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN100336336C (zh) | 2007-09-05 |
BR0110039A (pt) | 2003-12-30 |
KR100712429B1 (ko) | 2007-04-27 |
EP1297651A2 (en) | 2003-04-02 |
KR20030064618A (ko) | 2003-08-02 |
AU781208B2 (en) | 2005-05-12 |
IL152251A0 (en) | 2003-05-29 |
CA2422515C (en) | 2011-05-03 |
CA2422515A1 (en) | 2001-10-25 |
MXPA02010186A (es) | 2004-08-19 |
EP1297651A4 (en) | 2006-04-12 |
AU4678701A (en) | 2001-10-30 |
JP2004501477A (ja) | 2004-01-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: HONGSHI EUROPE CO., LTD. Free format text: FORMER OWNER: MIDBAR TECH LTD. Effective date: 20040107 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20040107 Address after: Burke County, England Applicant after: Macrovision Europe Ltd. Address before: Israel Tel Aviv Applicant before: Midba Technology Co.,Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: LOEWE EUROPE CO., LTD. Free format text: FORMER OWNER: MACROVISION CORPORATION Effective date: 20110309 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: MACROVISION CORPORATION Free format text: FORMER NAME: HONGSHI EUROPE CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Burke County, England Patentee after: MACROVISION Corp. Address before: Burke County, England Patentee before: Macrovision Europe Ltd. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20110309 Address after: Burke County, England Patentee after: Rovi Solutions Ltd. Address before: Burke County, England Patentee before: Macrovision Corp. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070905 Termination date: 20170329 |